Station Information

Station ID: 812
Latitude: 34.488611
Longitude: 133.949444
Coastline code: 643
Station code: 31
Country: JAPAN
Time span of data: 1957 – 2016
Completeness (%): 96
Frequency Code: 24
Date of last update: 08 Feb 2017

Green Arrow: Current Station
Yellow Marker: Neighbouring RLR Station

Please note: In many cases, the station position in our database is accurate to only one minute. Thus, the tide gauge may not appear to be on the coast.

Station Documentation

Link to RLR information.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-JUN-91 :
Uno 643/031 RLR(1967) is 25.5m below Attached BM
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 2002Mar26 :
Uno 'moved to new station July 1974'. (from Tidal Observations 1975)
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-Feb-2010 :
From the RLR plot a rising trend in the dataset is clearly visible.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 23-Feb-2011 :
Dataset buddy checked with Kobe II although there is quite a distance between the stations the profiles compare well.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 21-Feb-2012 :
A massive earthquake magnitude 9.0 occurred at 14.46 JST (05.46 UTC) on Friday 11th March 2011 with epicentre approx. 70km east of the Oshika Peninsula of Tohoku. It was the most powerful known earthquake to hit Japan triggering a tsunami with waves up to 40.5m travelling up to 10km inland.
Where there are more than one benchmark with the same name a suffix has been added

Data Authority

Marine Department
Japan Meteorological Agency
Ote-machi, Chiyoda-ku